package com.ovidiojf.fieldplan.hibernateUtil;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

import org.hibernate.SessionFactory;

public class ConexaoHibernateFilter implements Filter{

	private SessionFactory sf;
	
	@Override
	public void destroy() {	
	}

	@Override
	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		try {
			this.sf.getCurrentSession().beginTransaction();
			chain.doFilter(request, response);
			this.sf.getCurrentSession().getTransaction().commit();
			this.sf.getCurrentSession().close();			
		}
		catch (Throwable ex) {
			
			try {
				if (this.sf.getCurrentSession().getTransaction().isActive())
					this.sf.getCurrentSession().getTransaction().rollback();
			}
			catch(Throwable t) {
				System.out.println("Faio no Servlet\n");
				t.printStackTrace();

				throw new ServletException();			
			}


		}

	}

	@Override
	public void init(FilterConfig conf) throws ServletException {
		
		this.sf = HibernateUtil.getSessionfactory();
		
		
		
	}

}
